--- a/Makefile	Fri Feb 03 07:45:58 2006 +0000
+++ b/Makefile	Fri Feb 03 12:55:21 2006 +0000
@@ -653,6 +653,7 @@
 SRCS += network_server.c
 SRCS += network_udp.c
 SRCS += newgrf.c
+SRCS += newgrf_engine.c
 SRCS += news_gui.c
 SRCS += npf.c
 SRCS += oldloader.c